Quinclorac, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 684840 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673667 Piperonyl butoxide, 10 µg/ml, Ethyl acetate, 10m Price on request 0711.10-K-IO Naphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-20-3 Price on request 30022 EPA Method 515.1 Surrogate Standard Price on request